Replacement of window springs

Home Owner from Polk City, FL

I need to replace the window balance springs. i would like 2 sets along with the window parts that appear to be worn out.

The length is 33".

I tried installing the old part but I could hardly draw it down 1 inch to hook under the snap out catch. needed another 5 6 inches. Are the new ones that difficult.

The identification numbers that I have are as follows: 22 3 KO Caldwell.

The window weight is 18.6 Lbs.

I included a bunch of pictures.

Thank you in advance for your help.

5 user uploaded images
4 Replies
Tom
Tom from SWISCO
SWISCO
Expert

Thanks for your photos. Based on what I see here, you have either our S351-23 or S390-23, depending on the depth of the bottom shoe. That's the only difference between them. I recommend measuring your shoe and referring to our dimensions to confirm the best match.

Comparison of the S351 and S390 balance shoes.
Comparison of the S351 and S390 balance shoes.

As for installation, I personally find these to be pretty simple to install. You can see detailed instructions below.

Home Owner from Polk City, FL
I have a 1 inch bottom shoe. Would the option be 2230?
I would like to replace the piece on the window. What would that part number be?
Tom
Tom from SWISCO
SWISCO
Expert

Yes, your old stamp of 22-3 matches our more modern 2230.

If your shoe depth is 1", then it will be the S351-23, as stated above.

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